661
FNCA52 TJSJ 301930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST TUE JUN 30 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-010800-
SOUTHEAST COASTAL PLAINS-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 10 0 10
TEMP (24H TREND) 73 (-3) 91 (+2) 73 91
RH % (24H TREND) 91 (+4) 51 (-5) 91 46
WIND 20FT/EARLY(MPH) E 11 E 17 E 12 E 17
WIND 20FT/LATE(MPH) E 11 SE 17 E 11 SE 17
MIXING HGT(FT-AGL/MSL) 5190 5570
TRANSPORT WND (MPH) E 20 E 17
VENT RATE (KT-FT) 88230 83550
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-010800-
SOUTHERN HILLS-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 0 10 0 20
TEMP (24H TREND) 70 (-3) 88 (+3) 70 88
RH % (24H TREND) 99 (+6) 62 (-6) 98 59
WIND 20FT/EARLY(MPH) E 11 E 13 E 11 E 13
WIND 20FT/LATE(MPH) E 11 SE 13 E 12 SE 13
MIXING HGT(FT-AGL/MSL) 5860 6020
TRANSPORT WND (MPH) SE 20 E 16
VENT RATE (KT-FT) 99620 84280
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-010800-
NORTH COASTAL PLAINS-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 10 10
TEMP (24H TREND) 73 (-2) 91 (+1) 73 91
RH % (24H TREND) 98 (+3) 61 (-4) 98 58
WIND 20FT/EARLY(MPH) SE 13 E 16 E 12 E 14
WIND 20FT/LATE(MPH) SE 11 E 18 E 11 E 19
MIXING HGT(FT-AGL/MSL) 5850 6210
TRANSPORT WND (MPH) SE 16 E 17
VENT RATE (KT-FT) 81900 93150
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-010800-
NORTHERN HILLS-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 10 30
TEMP (24H TREND) 71 (-2) 89 (0) 70 89
RH % (24H TREND) 99 (+2) 64 (-2) 99 62
WIND 20FT/EARLY(MPH) SE 11 E 13 E 10 E 12
WIND 20FT/LATE(MPH) E 8 E 16 E 6 E 17
MIXING HGT(FT-AGL/MSL) 6710 7960
TRANSPORT WND (MPH) SE 15 E 13
VENT RATE (KT-FT) 87230 87560
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-010800-
WEST COAST-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 40 0 60
TEMP (24H TREND) 73 (-1) 92 (+1) 73 92
RH % (24H TREND) 98 (+2) 61 (-4) 98 59
WIND 20FT/EARLY(MPH) E 11 E 16 E 14 E 16
WIND 20FT/LATE(MPH) E 11 E 16 E 11 E 16
MIXING HGT(FT-AGL/MSL) 5340 5070
TRANSPORT WND (MPH) E 17 E 12
VENT RATE (KT-FT) 80100 50700
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-010800-
EASTERN INTERIOR-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 10 20
TEMP (24H TREND) 71 (-4) 89 (+2) 71 89
RH % (24H TREND) 99 (+4) 62 (-5) 99 59
WIND 20FT/EARLY(MPH) SE 12 E 14 E 12 E 14
WIND 20FT/LATE(MPH) E 12 SE 14 E 12 E 14
MIXING HGT(FT-AGL/MSL) 6240 6510
TRANSPORT WND (MPH) SE 18 SE 16
VENT RATE (KT-FT) 99840 91140
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-010800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 20 20
TEMP (24H TREND) 69 (-3) 85 (+4) 69 85
RH % (24H TREND) 100 (+2) 69 (-8) 100 67
WIND 20FT/EARLY(MPH) SE 11 SE 13 E 10 E 13
WIND 20FT/LATE(MPH) E 11 SE 13 E 10 E 13
MIXING HGT(FT-AGL/MSL) 4070 4950
TRANSPORT WND (MPH) SE 20 SE 17
VENT RATE (KT-FT) 69190 74250
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-010800-
CENTRAL MOUNTAIN RANGE-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY CLEAR PCLDY
PRECIP TYPE NONE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 0 30 0 70
TEMP (24H TREND) 67 (-4) 88 (+5) 67 87
RH % (24H TREND) 99 (+3) 68 (-5) 100 64
WIND 20FT/EARLY(MPH) SE 6 E 11 E 8 E 11
WIND 20FT/LATE(MPH) E 6 SE 11 E 5 E 11
MIXING HGT(FT-AGL/MSL) 6820 7950
TRANSPORT WND (MPH) SE 17 SE 10
VENT RATE (KT-FT) 102300 71550
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-010800-
CAYEY MOUNTAIN RANGE-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 10 20
TEMP (24H TREND) 70 (-2) 84 (+2) 70 84
RH % (24H TREND) 100 (+1) 70 (-4) 100 67
WIND 20FT/EARLY(MPH) E 9 E 12 E 9 E 12
WIND 20FT/LATE(MPH) E 9 E 12 E 10 E 12
MIXING HGT(FT-AGL/MSL) 5110 5610
TRANSPORT WND (MPH) SE 20 E 17
VENT RATE (KT-FT) 86870 84150
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-010800-
VIEQUES-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 20 20
TEMP (24H TREND) 76 (-2) 89 (+1) 76 89
RH % (24H TREND) 91 (+1) 59 (-6) 89 59
WIND 20FT/EARLY(MPH) E 14 E 17 E 13 E 17
WIND 20FT/LATE(MPH) E 16 E 16 E 16 E 16
MIXING HGT(FT-AGL/MSL) 3200 3640
TRANSPORT WND (MPH) E 21 E 17
VENT RATE (KT-FT) 57600 54600
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-010800-
CULEBRA-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 20 20
TEMP (24H TREND) 77 (-2) 90 (+2) 77 91
RH % (24H TREND) 93 (+4) 59 (-10) 91 58
WIND 20FT/EARLY(MPH) E 14 E 17 E 14 E 17
WIND 20FT/LATE(MPH) E 14 E 16 E 16 E 16
MIXING HGT(FT-AGL/MSL) 3250 3560
TRANSPORT WND (MPH) E 21 E 20
VENT RATE (KT-FT) 58500 60520
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-010800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 0 20 0 20
TEMP (24H TREND) 74 (-3) 92 (+2) 74 92
RH % (24H TREND) 91 (+3) 49 (-7) 92 46
WIND 20FT/EARLY(MPH) E 14 E 21 E 18 E 21
WIND 20FT/LATE(MPH) E 14 SE 21 E 16 SE 21
MIXING HGT(FT-AGL/MSL) 5390 5760
TRANSPORT WND (MPH) E 24 E 21
VENT RATE (KT-FT) 113190 103680
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-010800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 20 20
TEMP (24H TREND) 76 (-3) 87 (+1) 76 87
RH % (24H TREND) 93 (+5) 64 (-6) 91 63
WIND 20FT/EARLY(MPH) E 16 E 17 E 14 E 17
WIND 20FT/LATE(MPH) E 16 E 16 E 16 E 16
MIXING HGT(FT-AGL/MSL) 3290 3400
TRANSPORT WND (MPH) E 22 E 20
VENT RATE (KT-FT) 62510 57800
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-010800-
ST CROIX-
330 PM AST TUE JUN 30 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 20 10
TEMP (24H TREND) 76 (-2) 88 (+1) 76 88
RH % (24H TREND) 94 (+3) 63 (-6) 91 62
WIND 20FT/EARLY(MPH) E 14 E 17 E 14 E 17
WIND 20FT/LATE(MPH) E 14 E 17 E 16 E 17
MIXING HGT(FT-AGL/MSL) 4540 5170
TRANSPORT WND (MPH) E 22 E 22
VENT RATE (KT-FT) 86260 98230
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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